KR20190087074A - Multi-layer photovoltaic generation system with retroreflector and electric power pump - Google Patents

Abstract

The present invention relates to a technology related to a photovoltaic facility integrating a solar cell in a multilayer structure while preventing shadow with a retroreflector, an electric power pump, a direction adjuster, and the like, and an objective of the present invention is to increase the integration degree of the photovoltaic facility to provide a condition capable of receiving a lot of photovoltaic facilities in a small land. Moreover, disclosed is a technology fusing electric, electronic, optical, physical, and mechanical control technologies to increase sunlight collection ability and sunlight recycling ability. According to the present invention, a multilayer photovoltaic system interlocking with a retroreflector and an electric power pump comprises: a solar cell receiving sunlight to produce electricity; a post having a structure capable of having two or more layers of the solar cell installed thereon; and at least one retroreflector retroreflecting the sunlight reflected from a surface of the solar cell. Moreover, a plurality of solar cell layers are stored in the post and the retroreflector is inserted between the solar cells stored in each layer, so that the retroreflected reflective light is supplied to the solar cell between the layers, thereby producing electricity. Accordingly, the direction of the sunlight is tracked, the sunlight scattered by being reflected from the solar cell is collected to be repeatedly used or amplified, and technologies of other fields are fused, thereby providing synergy.

Description

{Multi-layer photovoltaic generation system with retroreflector and electric power pump}

The present invention relates to a photovoltaic power generation facility for integrating and constructing solar cells in a multi-layer structure while improving shading disturbance by using a recursive reflector, a power pump, a direction adjuster and the like.

Wind power, wave power, tidal power, and solar power are used as power generation facilities that use natural phenomena as renewable energy sources. They are called wind power generators, wave power generators, tidal generators, and solar power generators (hereinafter referred to as solar power generators). The generated electric power is configured to output an alternating current (AC) or a direct current (DC). In the case of outputting direct current, a capacitor for storing energy may be supplementarily provided to the lower stage via a converter. When the inverter is connected to the DC output, it is converted to AC.

Solar power, which is a natural power, is always accompanied by sunshine and cloudy days, as well as morning and evening sunshine and sunshine changes depending on the region. Therefore, the solar cell has a weak point in power production depending on the season or daytime .

Fig. 1 is a graph depicting a change in the amount of sunshine per day during a solar power generation facility. Here, level A represents the level at which the active power can be obtained on a sunny day, and B represents the level at which the active power can be obtained in the cloudy sunlight. The number of solar cells must be increased in order to obtain the point B, which results in a large internal power loss on a clear day, and an increase in installation space. Here, the effective power refers to the level at which the power generated by the power generation facility can be substantially utilized at the lower end. For example, if the negative terminal is a capacitor requiring 24V, it means that the output power from the generator is more than 24V, which is the effective power to charge the capacitor.

6A to 6D, which will be described later, show that the Korean patent application No. 10-2015-0008277 (2015.01.16.) And the Korean patent application No. 10-2017-0153635 (November 17, 2017) Level shifting device, and it is an invention conceived so that electric power can be produced with a constant active power regardless of whether it is a clear day or a cloudy day without increasing the number of solar cells. That is, if the solar power is weakened, such as a blurred edge, even if the cell quantity is not increased, the prior art will shift the output power to the active power state by combining the production power from the solar cell power plant and the supplementary power from the external power source Amplification).

On the other hand, since the solar cell is accompanied with a so-called shade failure which is vulnerable to shadows, modern solar cell power generation facilities are usually limited to use during a daylight period of about 4 hours per day (see FIG. 1) The solar panel angle is set so that the sunlight shines on the sunlight and the solar panel is installed in a single layer structure spaced apart at a predetermined interval so as not to disturb the nearby solar panel with shadows. However, if the photovoltaic power generation facilities are expanded and installed in future, it will become difficult to secure the facilities site only by such a single layer structure.

On the other hand, in terms of the efficiency of solar cells to accept sunlight and convert it to electric energy, it was 4% at the time of development in 1954, and 60 years after that, it now has improved to 20% (Source: Korea Information and Communications Technology Association, IT Glossary). However, considering that it is considered that 20% of the incident light is converted into energy and the remaining 80% is reflected light and dispersed in the atmosphere, it is considered to be improved from the viewpoint of optical technology separately from the electric and electronic material technology There is a need to do so.

In consideration of the prior art, the present invention is based on the difficulty in securing the facility site and the reflection of the reflected light. As a result, the reflected light dispersed in the air is returned to the retroreflective plate so that the battery electronic conception and the new optical conception, Which is a multi-layered structure.

1) Korean Patent Application No. 10-2015-0008277 (January 16, 2015): Power Level Transition Apparatus 2) Korean Patent Application No. 10-2017-0153635 (Nov. 17, 2017): Power Level Transition Apparatus for Renewable Energy Power Plant Although the two prior arts are inventions which include the construction of electric and electronic parts, the present invention is complementary to each other because it is a conception adding optical technology specialized for the multi-layer structure. In particular, There is a special advance in the purpose, structure and effect obtained by fusion.

A first object of the present invention is to provide a solar power generation facility with a high degree of integration so that it is possible to accommodate many photovoltaic power generation facilities in a narrow site.

A second object of the present invention is to disclose a technique for simultaneously enhancing the condensing ability of sunlight and the recycling ability of sunlight by fusing electric / electronic control technology, optical control technology, and mechanical mechanical control technology.

According to an aspect of the present invention, there is provided a solar cell power generation facility including:

At least one solar cell capable of producing power by solar light;

At least one reflector reflecting sunlight;

And the reflected light from the reflection plate and the direct light from the sun are supplied to the solar cell together to produce electric power.

Here, the reflection plate is planar and configured to adjust the angle according to the altitude of the sun, or may be a hemispherical curved surface so that the reflected light is directed to the solar cell despite the altitude change of the sun. The solar cell may further include a control unit for controlling the direction toward the sun and a mechanism structure unit for interlocking with the rotor unit for rotating the solar cell according to the control of the control unit. And an interlocking configuration of the electric power pump unit for detecting the production electric power of the battery and supplying supplemental electric power when the electric power is less than the effective electric power to increase the production electric power to more than the effective electric power.

According to another aspect of the present invention, there is provided a solar cell power generation facility including:

A solar cell capable of generating electricity by receiving sunlight;

A post having a structure in which the solar cell can be installed in at least two or more layers;

At least one retroreflector for recirculating solar light reflected from a surface of the solar cell;

And the retroreflector is inserted between the solar cells stored in the layer as the posts to store the solar cells in multiple layers,

And the reflex reflected light is supplied to the interlayer solar cell to produce electric power.

In one embodiment, the reflector or the retroreflector may be composed of an optical fiber induction tube or a metallic waveguide that guides sunlight,

The recursive reflector may have a planar shape and may be configured such that the recurrent reflected light is directed to the solar cell despite the altitude change of the sun as an angle or curved shape depending on the altitude of the sun.

The retroreflector may be a first reflector and a second reflector that are divided into at least two reflection angles corresponding to the altitude range or the low altitude range of the sun,

The first reflection plate and the second reflection plate may be a mixture of one or two selected from a spherical reflection plate and a flat reflection plate,

One is a diffuse spherical reflector and the other is a spherical reflector with a curved surface.

At this time, the recurrent reflected light is arranged to propagate through the solar cell multi-layer group while passing through the solar cell and the recursive reflector, and the recurrent reflection plate is arranged horizontally and vertically, It may be configured to repeat recursion and then to disappear.

In addition, the bottom of the post may be coated with a reflective material so that the retroreflected light may be applied in various upper and lower three dimensional surfaces.

The multi-layer solar cell may further include an interlocking structure of a power pump unit that detects production electric power from the solar cell and supplies supplementary electric power when the electric power is less than the effective electric power to regulate the produced electric power to more than the effective electric power. A power generation unit for generating output routes of the photovoltaic power generation units through a power collecting unit that combines the production power of the sectors illuminated by different light powers, And a power pump unit that regulates the production power of the entire solar cell to be higher than the effective power by supplying supplementary power to the corresponding layer or sector when a sector is detected.

The post may further include a control unit for controlling the direction of the solar cell and a configuration for interlocking with the rotor unit for rotating the post according to the control of the control unit.

According to the present invention, it is possible to provide a solar power generation facility with an efficient solar power generation facility with a small area, so that the construction cost can be reduced by common utilization of structures, and the concentration and ease of facility management can be obtained.

According to the present invention, there is an effect of tracking sunlight direction in a horizontal plane, collecting scattered sunlight reflected from a solar cell, and repeatedly recycling or amplifying the light.

From the technical point of view, the present invention can be applied to a solar cell system in which a retroflex reflector is installed in a space below a solar cell panel, which is particularly insoluble, by blending the prior art amplification technology on the side of the electric field and the new amplification technology on the optical field side, It is possible to increase the substantial light collecting effect of the sunlight without the need for expansion, thereby reducing the facility site.

Specific effects appearing in the remaining components will be described in the embodiments while explaining each embodiment.

FIG. 1 is a graph depicting a change in daylight quantity during a day applied to a solar cell (solar cell).
Fig. 2 is a diagram depicting how the power generated by the solar cell at about noon on a clear day is supplied to the subordinate as it becomes more than the active power.
FIG. 3 is a diagram depicting a state in which the power generated by the solar cell is less than the effective power in the morning and evening on a cloudy day or a clear day, and is not supplied to the bottom stage.
FIG. 4 is a diagram depicting a state in which supplementary electric power is supplied in the state of FIG.
FIG. 5A shows a state in which supplementary electric power is supplied in a small amount in FIG. 4, FIG. 5B shows a state in which supplementary electric power is supplied in a large amount in FIG. Picture shown.
6A, 6B, 6C, and 6D are views for explaining the specific configuration and operation of a power pump unit for supplying supplemental power in a solar cell power plant.
7 is a perspective view showing a configuration of a solar cell power generation facility and a state in which sunlight is incident.
8 and 9 are perspective views showing the principle of the solar reflector of the present invention and a perspective view explaining its operation.
10 is a cross-sectional view showing a structure of a simple multi-layer solar cell power generation facility and a state in which a shadow obstacle appears in a multi-layer solar cell power generation facility.
FIG. 11A is a cross-sectional view showing a state in which a shading fault is intensified when the multi-layer solar cell power generation facilities of FIG. 10 are arranged in a group; FIG.
FIG. 11B is a cross-sectional view illustrating a phenomenon in which shading disturbance is further intensified when the altitude of the sun is lowered in a multi-layered solar cell power plant arranged in a stack.
Figures 12A through 12E are cross-sectional views illustrating various embodiments of the present invention.
13 is a cross-sectional view showing a state in which the amount of light is amplified while the recurrent reflected light travels through a closed space between the surface of the solar cell and the recursive reflector without passing through to a nearby group (group).
FIG. 14 is a control mechanism diagram showing an embodiment of the present invention in which the direction of the solar cell is adjusted according to the position of the sun; FIG.
Fig. 15 is a functional block diagram of an embodiment of the present invention in which an optical retroreflector, a mechanical control mechanism, and an electric / electronic power pump unit are coupled together.

The specific design may be further added or modified in the implementation step, but the technical idea of the present invention can be well known by the following description and operation explanation, which represent typical preferred configurations one by one. It should be understood, however, that there is no intention to limit the present invention to the circuit or component interlocking system shown in the following embodiments, and various embodiments may exist within the technical scope of the present invention in accordance with the implementation design.

In particular, the present invention is susceptible to various modifications and alternative constructions in the details and specific embodiments thereof are shown in the drawings and will be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. That is, the terms are used only for the purpose of distinguishing one element from another, for example, the first element may be named as the second element without departing from the scope of the present invention, The second component may also be referred to as the first component.

In the present invention, the term power refers to a voltage or a current, or a voltage and a current, which is based on the Ohm's law defined as 'P = I * E'. That is, in the Ohm's law, the power P is set to the left-hand side, the current I and the voltage E are placed in the right-hand side, and the change of the current or voltage is directly related to the change of the power. Therefore, in the specification of the present invention, . Hereinafter, for convenience of explanation, the operation represented by the voltage difference will be described as shown in FIGS. 2 and 3.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a graphical representation of an electrical principle in which electric power is supplied from a power generation facility to a bottom end (that is, a current flows) as a natural fall when the power produced by the power generation facility is high and the power at the bottom end is low.

FIG. 3 shows a state in which power can not be supplied to the lower stage because a natural drop is not established when the power generated by the power generation facility is low and the power required at the lower stage is high. For example, the lower stage is a 24V capacitor, which requires 24V or more to charge the 24V capacitor, which is the case when the output is less than 24V in a power generation facility. (For reference, this 24V is intended to illustrate the low power for explanation, and in practice, the present invention may be utilized at high power of the order of 240V to 480V.)

4 is a graph showing the principle that the production power of the power generation facility 1 is increased and the power supply can be performed to the lower stage 2 when the supplementary power is added in the state where the production power of the power generation facility 1 is insufficient Fig. That is, the level 1, which is the capacity of the power generation facility 1, is insufficient. The power of the level 1 is supplemented in series by the power pump unit 3, The power generation of the power generation facility is increased.

At this time, the power pump unit 3 may supply only a part of the electric power that is less than the production electric power of the power generation facility 1 as shown in FIG. 5A, or supply the electric power that is larger than the production electric power of the power generation facility 2 as shown in FIG. As shown in FIG. The most preferable configuration is a configuration that is automatically adjusted according to the variation of the sunlight amount of sunlight as shown in FIG. 5C.

Figs. 6A to 6D are diagrams for explaining how the functions of Figs. 4 and 5 are actually achieved as a circuit principle.

6A to 6D are explanatory drawings of some specific configurations of the electric power pump unit disclosed by the present inventors as of the filing date of the present invention by the inventors of the present invention. But here we will briefly explain in terms of the function of the main function.

- Reference target prior art: application number and date; 10-2015-0008277 (2015.01.16) Power level transition device and application number and date of power generation facility; 10-2017-0153635 (2017.11.17) Power Level Transition Device of Renewable Energy Generation Facility

Among the above-mentioned prior arts, the electric power pump unit 3 and the structures associated therewith

A power sensing control unit 14 for sensing power supplied from the power generation facility 1 to the lower stage; And

When the power supplied to the subsidiary lower stage (4, 2) is less than the effective power, the power of the power generation facility supplied to the lower stage under the control of the power sensing control unit And a power replenishing portion (13)

The power replenishing unit 13,

And an automatic level control unit (13-2) that receives power from the external power source (2-0) and supplies the power to the one electrode of the power generation equipment in series,

When the power of the power generation facility 1 changes to less than the above-mentioned effective power, the automatic level control unit 13-2 responds to the change of the power supplied from the power generation facility 1 to the lower stage 4 And forming a power supply route so as to be supplemented and adjusted.

That is, the power pump unit 3 shown in FIG. 4 is shown in detail as a power supplement unit 13 including the power sensing control unit 14 and the automatic level control unit 13-2 in FIGS. 6A to 6D, The level 1 and level 2 shown in FIG. 4 are shown in the input and output stages in the power generation facility 1 in FIGS. 6A to 6D, respectively. The point of operation is that the production power of (1) The power sensing control unit 14 compares the reference voltage 14-2 with the reference voltage 14-2 as a current or voltage sensing and detects whether or not the power supplementing unit 13 includes the automatic level adjusting unit 13-2 So that the negative power source of the power generation facility 1 is lifted to the positive side, if necessary, so that the production power (level 2) is increased beyond the effective power.

6A, the supplemental electric power is supplied from the external power source 2-0, and the automatic level control unit 13-2 supplies the supplementary electric power to the external power source 2-0 according to the result of sensing the output terminal 11-1 of the power generation facility. To the cathode of the power plant.

At this time, since the voltage supplied to the negative power supply of the external power supply 2-0 and the power generation facility 1 is always different except for a special case in which the generated power of the power generation facility is 0, It is desirable to balance the power side as a switching regulator as much as possible so as not to affect losses. That is, it is preferable to maintain the input power supplied from the external power supply and the output power output from the automatic level control unit to be equal to each other at an equivalent power within a certain range (even if there is a difference in voltage, Is preferable.

FIG. 6B shows that the power generation facility 1 has a certain number of cells connected in series and in parallel, and by placing a flywheel diode between each cell, even if a shadow failure occurs in one or more cells connected in series, The generated cell structure is shown so that the generated power can be supplied to the load while connecting the remaining cells in series while ignoring the generated cell.

At this time, each series cell may be configured to be individually connected to the power pump unit, and this configuration is particularly beneficial in a high voltage serial configuration.

6C shows a standby power source 2-1 internally provided with a power supply source of the power replenishing unit 13 received from the external power source 2-0 in the configuration of the power pump unit 3 shown in FIG. 6A except that it is supplied from a capacitor (hereinafter referred to as " capacitor "). Therefore, duplicate description of the operation will be omitted.

In Fig. 6C, the secondary battery 2-1, which is a standby power source, can be configured to be charged from a separate commercial power source or fed back from the loading stage 4 by feedback. In the case where the end lower end 4 is an alternating current and is charged via the transformer and the rectifier, the load terminal 4 and the capacitor 2-1 are separated from each other in a direct current but the load end 4 is a direct current, Output terminal voltage of the power replenishing unit 13 is controlled by a pulse control type regulator or the like so that congestion does not occur in the output voltage of the power generation facility 1 when the power storage unit 1 and the capacitor 2-1 are connected in series by feedback, It is preferable that the maximum value is set to be limited while the control unit 14 controls.

For this, the power replenishing unit 13 receives power from the capacitor 2-1 to the power generation facility 1 (1) according to the sensed power when the power supply control unit 14 increases the power of the power generation facility according to less than the effective power. The amount of power is adjusted within a range in which the output power from the power generation facility does not exceed a predetermined level, and the predetermined level is set to a level greater than the active power, It is preferable that the detection control unit 14 is set to be interlocked.

FIG. 6D is a diagram illustrating an example in which the inverter is connected to the inferior terminal 4 of the configuration of FIG. 6A to supply the production power to the power supplier and the external power supplied to the power replenishing unit 13, It is equivalent to constructing a grid power route procured from a supply company.

6A is an example of a loop configuration in which sales are mainly generated in the daytime in connection with a power generation system of a utility company and embedding occurs at night. However, since the principle of the function of the power pump unit 3 to be applied to the present invention is the same A detailed description thereof will be omitted.

6A to 6D, if there is an unfamiliar part or a more detailed description, please refer to the publication of the prior art which has been published before.

7A is a perspective view showing a state where the direct sunlight 102a when the altitude of the sun is high (? A) is higher than that of the solar cell 101, FIG. 7B shows a state in which the direct sunlight 102b when the altitude of the sun is low is irradiated by the solar cell 101. FIG. (Support) 103 for constructing the solar cell 101. [

FIG. 7 is a view showing a conventional solar cell and its solar cell constructed with a power generation facility, so that even if the description is omitted, it will be understood by those skilled in the art what the technical content is.

8 and 9 are a perspective view and a cross-sectional view of a main part showing an embodiment of the present invention.

That is, the solar cell power generation facility, which is one embodiment of the present invention,

At least one solar cell (101) capable of producing power by solar light;

At least one reflector (104) reflecting sunlight;

The reflected light 102a-1 from the reflector 104 and the direct sunlight 102a from the sun are supplied to the solar cell 101 so that sunlight illuminated from at least two directions of light sources is utilized for power generation .

Here, the reflection plate is a plane (104-1) and is configured to be angularly adjusted according to the altitude of the sun, or to be a hemispherical curved surface (104-2) so that the reflected light is directed to the solar cell Lt; / RTI >

The solar cell 101 may further include a control unit for controlling the direction toward the sun and a rotor unit 107 for rotating the solar cell according to the control of the control unit, And a power pump unit 3 that detects the production power of the solar cell according to the diary and supplies the supplementary power when the power is less than the effective power to increase the production power to more than the effective power.

8 and 9 will be described.

8 is provided with a reflector 104 separate from the solar cell 101. The reflector 104 is coupled to the post 103 by a ball joint (not shown) and is disposed along the altitude and direction of the sun Or a spherical shape in which the reflected light is directed to the solar cell despite the altitude change of the sun in a fixed posture such as in (104-2).

9, the reflected light 102a-1 at the time when the altitude of the sun is high (? A) is directed to the solar cell as shown in Fig. 9 (A) The reflected light 102b-1 at the time when the elevation angle? B is low is directed to the solar cell as shown in Fig. 9 (B). This is because the reflector angles are different in (A) and (B), so that the reflecting surface can be tracked at a preset direction or at an altitude angle depending on the solar power and the time of day. The reflector can also be adjusted by tracking the maximum intensity of sunlight at that time.

In one embodiment of the present invention, the solar light collects not only through the plane of a single solar cell but also by using the reflector as a condensing area, thereby increasing the condensing area to thereby amplify the optical power applied to the solar cell. This is characterized by the fact that

In other words, the prior art described above enhances the production power of the solar cell power generation facility by adding supplementary electric power from the electrical aspect. In the embodiment of FIGS. 8 and 9, the light of the condensing area of the reflection plate is added, To increase the power of production. This reflector has the effect of amplifying a deficient light power in the cloudy weather or the sunrise sunset by the light collecting plate as the reflection area.

On the other hand, if the power pump unit 3 described above is interlocked with the electric power pump unit 3, the electronically and optically fusing is performed, and more preferable results are obtained. The control unit and the rotor unit will be described later in the description of Fig.

FIG. 10 is a cross-sectional view showing a shadow view of a simple multi-layer solar cell power generation facility and a shadow obstacle appearance in a multi-layer solar cell power generation facility, before explaining another embodiment of the present invention.

That is, in order to reduce the installation area of the solar cell, a method of stacking and stacking a plurality of solar panels 101-1, 101-2, and 101-3 using the multi-stage posts 103 as shown in FIG. 10A I can think.

However, in this case, as shown in FIG. 10 (B), since the solar panel 101-1 installed at the upper end during most of the work is covered with a shadow of a part of the solar panel 101-2 installed at the lower end The power production capability of the solar cell 101-2 at the lower stage is divided into the direct sunlight sector 101-2a receiving the direct sunlight 102a and the shaded sector 101-2b being the non-direct sunlight 102x region. Of course, if you do not receive direct sunlight, your power production capacity will drop. In the solar cell 101-3, which is the lower stage below the same principle, the direct sunlight sector 101-3a and the shaded sector 101-3b appear similarly.

FIG. 11A is a cross-sectional view showing a dark obstacle when the multilayer solar cell is arranged in a cluster. FIG. That is, in the diagram (B) of FIG. 11A, the lower ends 201-2 and 201-3 of the right solar cell group are in a state 201-2b, 201-3b).

FIG. 11B is a sectional view showing the same group arrangement as FIG. 11A but showing a state in which the shadow obstacle becomes worse as the altitude of the sun becomes lower. That is, in the right solar cell group in the diagram (B) of FIG. 11B, not only the lower stages 201-2 and 201-3 but also the upper stage 201-1 are in a state 201-1b , 201-2b, 201-3b).

On the other hand, the power pump unit 3 in the prior art is a technology capable of enhancing the power production capacity of the sector subjected to the shading failure by supplementing the power through the external power source 2-0 or the like. The power production capability of the sector receiving the shading disturbance is reinforced by supplementing the light power through the reflector. However, since the optical power supplementation can reduce the external power supplied through the power pump unit, Show synergy effect.

12A to 12E are sectional views of an embodiment of the present invention,

FIG. 12A is a view for overcoming a shadow obstacle in a high altitude state of the present invention through a retroreflector, FIG. 12B is a view for overcoming a shadow obstacle by adjusting the angle of a retroreflector in a low altitude state of the sun, 12B is a cross-sectional view of an integrated structure for comparison.

FIG. 12D is an explanatory view of the operation when the recursive reflector of FIG. 12C is composed of multiple layers, and FIG. 12E is a sectional view showing a configuration in which the reclaiming reflector for high altitude and the recirculating reflector for low altitude are separately arranged.

The embodiments of the present invention depicted in the drawings are summarized literally as follows.

A solar cell 101 capable of receiving solar light 102a and 102b and generating electric power;

The posts (103, 203,...) Having a structure in which the solar cell can be installed as at least two or more layers (101-1, 101-2, 101-3, 201-1, 201-2, 201-3,. ..);

At least one or more retroreflective plates (1001-2, 2001-2, ...) for recirculating sunlight reflected from the surface of the solar cell (101);

The recursive reflection 1001-2 is inserted between the solar cells which store the solar cells in multiple layers as the posts, and the reflex reflected light is supplied to the interlayer solar cell,

And a configuration in which power generation is performed while the solar cell compensates for a shadow defect by a light source supplied in at least two directions.

The retroreflector of the above embodiment may have a structure that is planar in shape and the angle is adjusted according to the altitude of the sun, and FIGS. 12A and 12B are views depicting this.

That is, in FIG. 12A, the direct light 102a is directly applied to the direct light sector 101-2a when the sun is located at the high altitude 102a, while the shadow obstruction is directly applied to the sectors 101-2c The incident sunlight impinges on the solar cell surface 101-2a, is reflected, then hits the retroreflective reflector 1001-2, and returns to the sector 101-2c again, thereby using the reflected light And optically replenishes the sector 101-2c in which the shadow defect has occurred. In the present invention, the area on the solar panel replenished by the retroreflected light is defined as the reflected light sector 101-2c. An area on the solar panel directly irradiated with direct light is defined as a direct light sector 101-2a.

As described above, since the quantity of light reflected by the solar light on the surface of the solar cell can be considered to be about 80%, if the total reflection is performed in the recursive reflector, the reflected light sector 101-2c can receive approximately 80% The power supply unit 3 will be pulled out from the external power 2-0 and automatically replenished, so that the solar panel 101- 2a and 101-2c is substantially equal to the power output of the direct sunlight solar cell 101-2a receiving the entire solar radiation of the high altitude 102a (that is, receiving the reflected light of 80% The reduction of 20% as the production power is lowered automatically replenishes from the power pump).

As a result, the present invention fuses the above-described retroreflective technique, which is an optical addition technique, on the basis of the prior art, which is the electrical addition technique described above, to provide an environment in which a dense multi-layer solar battery panel can be constructed while overcoming a shadow defect .

As shown in FIG. 12A, the reflexed reflected light not only optically compensates the reflected light sector 101-2c of the front row, but also illuminates the entire reflected solar panel 201-2 of the next row through the reciprocal reflection As a result, the reflected light becomes an optical penetration system that propagates inside the multi-layered solar cell group arranged in a cluster.

That is, the reflexed reflected light propagates through the space between the solar cell and the retroreflective plate to penetrate into a neighboring solar cell multi-layer group.

12B, the direct light 102b when the sun is located at the low elevation 102b is reflected only on the solar cell groups 101-1, 101-2 and 101-3 arranged in the front row, All of the rear lines are not shaded to the panel groups 201-1, 201-2, and 201-3. However, when the retroreflector obtains the effect of illuminating a certain part of the optical reflected light by setting the angle, the incident sunlight 102b strikes the solar cell surface 101-2a, is reflected, and then the retroreflective sheet 1001-2c again reflects 201-2c). Therefore, the sector 201-2c in which the shadow failure occurs due to the reflected light is supplemented with a certain amount (for example, 80%) of the optical energy.

In order to achieve this, it is desirable to adjust the angle of the recursive reflector so that the retroreflected light is gathered in the next row of solar panels by tracking the altitude of the solar light in FIG. 12b. A slope of the sun or the like may be preliminarily set to be inputted and adjusted, or an optical sensor (not shown) for detecting the intensity of sunlight may be used.

FIG. 12C is an explanatory view of the incidence of sunlight according to the altitude change of the sun and the angle adjusting operation of the recursive reflector according to the change of the incidence angle, and the operations of FIGS. 12A and 12B are shown overlapping each other.

FIG. 12D is a cross-sectional view showing that the configuration of FIG. 12C can be grouped into a plurality of layers on a plurality of layers. FIG.

12A to 12D, when a reflective material that receives the retroreflected light emitted to the outside through the retroreflective elements 2001-2 and 2001-3 on the bottom surface and reflects the retroreflected light in the upward direction is applied to the floor, Since the recurrent sunlight is again radiated toward the recursive reflectors 2001-2c, 2001-2 and 2001-3, the multi-layer solar cell power plant in this case has not only the sunlight sunk in the sky, but also the reflecting sun It is possible to obtain the effect that the light is irradiated three-dimensionally toward the solar cell power generation facility. By virtue of such a structure and technical principle, it is possible to provide a practical multi-layer solar cell power generation facility capable of ensuring adequate power production capacity while minimizing the site area.

The method of applying the reflective material to the floor can be accomplished by applying a coating material (not shown) to the floor, or by rolling a roll-type foil on the floor. The roll type is advantageous in that weeds weed out from the bottom can be weighed periodically without having to weed out and then weed down under the weed.

In this embodiment, the optical fiber induction tube for guiding solar light in addition to the reflection plate may be provided on the side of the material. In this case, if the light is condensed as an entrance of the optical fiber, the entire reflection plate is not angularly adjusted according to the altitude and direction of the sun The effect of reflected light can be obtained. The optical fiber may be replaced by a metallic waveguide.

12E is a sectional view of a retroreflective sheet 1001-2c of FIG. 12B configured to be angularly adjusted according to the elevation of the sun by dividing it into two reflectors, and the first reflector plate 1001-2d for high altitude and the second reflector plate 1001-2e As shown in Fig. Particularly, in this case, the high-altitude light source is set to a spherical surface and the low-altitude light source is used as a flat surface, and the angle is set to a fixed angle without adjusting the angle as much as possible. , And a flat reflector, and the reflection angle is differently divided or arranged as a curved spherical reflector. One of them is a diffuse spherical reflector and the other is a spherical reflector . The first reflecting plate and the second reflecting plate include a concept of a plurality of at least two or more such as an n-th reflecting plate.

Here, the diffusive spherical reflector refers to a spherical shape bent outward, and the condensing spherical reflector refers to a spherical shape bent inward. That is, it is a diffusive reflector that diffuses reflected light as a spherical surface like a convex lens, and the surface is spherical like a concave lens, and collecting reflected light means a condensing reflector.

The light-collecting reflector can also be used to collect the reflected light itself from the solar panel when the solar panel is formed. That is, in addition to the planar solar cell, the solar panel of the present invention is specialized in a recursive reflector so that the solar panel itself can be formed into a parabolic plane with a constant light-gathering form.

The recurrent reflected light can pass through the solar cell and the retroreflective plate and pass through the neighboring multi-layer solar cell group. In addition, the reflections can be amplified through the process of being shuttled between the solar panel and the retroreflective plate, And Fig. 13 (A) and Fig. 13 (B) are diagrams depicting the configuration thereof.

13, the retroreflective plate is arranged horizontally (1001-2d, 1001-3d) and vertically (1001-2f, 1001-3f) so that retroreflected light is repeated in the closed space, The sunlight is incident on the solar panel 102a while reciprocating between the recursive reflector and the solar panel until the sunlight is incident on the solar panel.

In the above description, the uppermost solar panel 101-1 or the like produces electric power by direct sunlight without a retroreflector, and a retroreflective sheet 1001-2c attached to the back surface of the solar panel has a lower solar panel To act as multi-layer power generation facilities as a penetration through direct sunlight. That is, even if the retroreflected light energy is only 80%, it is possible to utilize all of the solar panel up and down three-dimensionally.

FIG. 14 is a view of a control mechanism showing an embodiment of the present invention in which the direction of the solar cell is adjusted according to the position of the sun.

That is, the post 103 for solar panel construction may further include a control unit for controlling the direction of the solar cell and a configuration for interlocking with the rotor unit 107 for rotating the post according to the control of the control unit. If the microprocessor is allowed to register solar power, that is, seasonal sunrise and sunset time, the controller can follow the sun's moving position and adjust the direction and tilt angle of the sun. At this time, the control unit may control the angle of the recursive reflection plate together with the control of the rotor unit. In this case, the altitude control of the vertical portion is performed by the recursive reflector and the rotor portion is controlled by the horizontal portion.

14, reference numeral 108 in FIG. 14 denotes a base corresponding to a base portion, and 103a denotes a plurality of posts 103. The plurality of posts 103 are rotatably rotated by a rotor portion 107 installed on a single base And is a plate for mechanical coupling.

Fig. 15 is a functional block diagram illustrating an embodiment of the present invention in which an optical retroreflector, a mechanical control mechanism, and an electric / electronic power pump are coupled together.

That is, in Fig. 15,

By recognizing the altitude or direction of sunlight 3001 and operating the control unit 3002 according to the state of the sun's position change, the rotor unit 3003 is horizontally adjusted to face the direction of the solar cell, The angle of the vertical reflector 3004 is adjusted according to the inclination of the vertical reflector 3004.

In Fig. 15,

The production power of the solar cell is detected at the front end of the power collecting unit 4005 through the power collecting unit 4005 which combines the production power in the direct light sector and the reflection light sector 4001 And when a layer or sector 4003 or 4004 less than the effective power is detected, the supplementary power is supplied (4002a or 4002b) to the layer or the sector so that the production power of the entire solar cell is adjusted to be higher than the effective power.

The control according to the position of the sunlight in the above configuration can be controlled by a control unit 3002 which receives a preset solar power as input data, a rotor unit 3003 rotated by the control unit, and an angle-controlled retroreflector 3004 And may be controlled by a sensing unit 3001 and a control unit 3002 that sense the altitude and direction of direct sunlight at that time.

The power pump unit is configured such that rotation in the direction of the sunlight and an optical energy replenishment from the retroreflector are mutually fused as a function of additionally supplementing electrical energy so as to be more effective.

As used herein, the term " layered " refers to a layered solar cell stored in multiple layers, and the term " sectored " refers to, for example, a direct light sector and a reflected light sector partitioned between cells in a single solar cell. Sectors may be vertically partitioned, horizontally partitioned, or partitioned into an optional matrix.

The present invention as described above is not limited to the above-described constitution, and the scope of the scope of the scope of the design change by a person skilled in the art is included in the scope of right. For example, in the present invention, the configuration in which the power pump unit 3 is connected to the negative electrode (-) of the power generation facility includes a configuration in which the positive electrode (+) of the power generation facility is alternatively connected, +). ≪ / RTI >

The diode 11-3 coupled between the positive electrode (+) and the negative electrode (-) of the power generation facility is supplied with power from the power pump unit 3 through the diode directly to the load .

The present invention is expressed in terms of power in a comprehensive sense, which is dealt with in terms of the energy that can actually be exerted, not simply a superficial value, whether voltage or current.

Power Plant (1)
(4)
The power pump unit (3)
Capacitor (2)
External power (2-0)
The power replenishing unit 13,
The automatic level adjusting unit 13-2
The power-
Spare power source, reserve capacitor (2-1)
Inverter (4-1)
Solar cell (101)
High altitude direct light (102a)
The low-altitude direct light 102b
The posts (103, 203)
Reflector 104;
The high-altitude reflection light 102a-1
The low-altitude reflected light 102b-1
The flat reflective plate 104-1,
The hemispherical curved reflector 104-2d
The rotor unit 107
The spherical reflector 104-2
The plurality of solar panels 101-1, 101-2, 101-3, 201-1, 201-2, 201-3,
The direct light sectors 101-1a, 101-2a, 101-3a,
Non-direct light (102x)
The shading sectors 101-1b, 101-2b, 101-3b, 201-1b, 201-2b, 201-3b,
The retroreflective plate 1001-2, 2001-2, 2001-3, 1001-2c, 2001-2c,
The reflection light sectors 101-1c, 101-2c, 101-3c, 201-1c, 201-2c, 201-3c,
The first high reflection plate (1001-2d)
The second low reflectance reflector (1001-2e)
The horizontal retroreflective plates 1001-2d, 1001-3d,
The vertical retroreflective plates 1001-2f, 1001-3f,
The base 108,
The plate (103a)
The solar light position sensing unit 3001
The control unit 3002,
In the rotor portion 3003,
The vertical reflector 3004
The power set unit 4005
The solar cell production power sensing unit 4001
The sector unit 4003 or 4004,
The supplemental power supply unit 4002a or 4002b
Diode 11-3

Claims (18)

At least one solar cell capable of producing power by solar light;
At least one reflector reflecting sunlight;
And the reflected light from the reflection plate and the direct light from the sun are supplied to the solar cell together to produce electric power. The method according to claim 1,
Wherein the reflection plate is flat and the angle is adjusted according to the altitude of the sun. The method according to claim 1,
Wherein the reflection plate has a hemispherical curved surface so that the reflected light is directed to the solar cell despite the altitude change of the sun. The method according to claim 1,
Wherein the solar cell further comprises a control unit for controlling the direction toward the sun and a rotor unit for rotating the solar cell according to the control of the control unit. The method according to claim 1,
Further comprising an interlocking structure of a power pump unit for detecting a production electric power of the solar cell according to a weather and supplying supplementary electric power when the electric power is less than the effective electric power to increase the production electric power to more than the effective electric power. equipment. A solar cell capable of generating electricity by receiving sunlight;
A post having a structure in which the solar cell can be installed in at least two or more layers;
At least one retroreflector for recirculating solar light reflected from a surface of the solar cell;
And the retroreflector is inserted between the solar cells stored in the layer as the posts to store the solar cells in multiple layers,
And the reflected light is supplied to the interlayer solar cell to generate electric power. The method according to claim 6,
Wherein the multi-layer solar cell further includes an interlocking structure of a power pump unit for detecting production electric power from the solar cell and supplying supplemental electric power when the electric power is less than the effective electric power to regulate the produced electric power to more than the effective electric power. . The method according to claim 6,
The multi-layer solar cell is an output route through a power collecting unit that combines production power for each layer or each sector. When a layer or a sector less than the effective power is sensed by detecting the production power of each solar cell at the front end of the power collecting unit Further comprising an interlocking arrangement of a power pump unit for regulating the production power of the entire solar cell to more than the effective power by supplying supplementary electric power to the layer or the sector. The method according to claim 6,
Wherein the post further comprises a control unit for controlling a direction of a solar cell and a structure for interlocking with a rotor unit for rotating the post according to the control of the control unit. 7. The method according to any one of claims 1 to 6,
Wherein the reflector or the retroreflector comprises an optical fiber induction tube or a metallic waveguide for guiding sunlight. The method according to claim 6,
Wherein the recursive reflector is planar and the angle is adjusted according to the altitude of the sun. The method according to claim 6,
Wherein the recursive reflector is configured such that the recurrent reflected light is directed to the solar cell despite the altitude change of the sun as a curved surface. The method according to claim 6,
Wherein the retroreflector is a plurality of reflectors separated at least by two or more reflection angles corresponding to the altitude range and the altitude range of the sun. 15. The method of claim 14,
Wherein the plurality of reflectors is a mixture of one or two selected from a spherical reflector and a planar reflector, and each of the plurality of reflectors is divided and arranged at different angles of reflection. 15. The method of claim 14,
Wherein the plurality of reflectors is a spherical reflector divided into a first reflector and a second reflector, one of which is a diffuse spherical reflector, and the other is a light collecting spherical reflector. The method according to claim 6,
And the reflex reflected light is arranged to pass through the neighboring solar cell multi-layer group passing between the solar cell and the retroreflective plate. The method according to claim 6,
Wherein the recursive reflector is arranged horizontally and vertically so that the recurrent reflected light is configured to repeat recurrence in a closed space. 7. The method according to claim 1 or 6,
And the bottom of the lower portion of the post is made of a reflective material.

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